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Special Report on Diseases of Cattle

William Heyser HarbaughRichard West HickmanJames LawUnited States. Bureau of Animal IndustryLeonard PearsonD. E. SalmonTheobald SmithMilton R. Trumbower

出版	U.S. Government Printing Office, 1912
URL	http://books.google.com.hk/books?id=smUwAAAAIAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN